**in MATLAB

PRACTICE 5.4 Write a function mymatmin that finds the minimum value in each column of a matrix argument and returns a vector of the column minimums. Use the programming method. An example of calling the function follows: randa (20,3,4) >> mat mat - 15 19 17 5 6 14 13 13 9 5 3 13 >>mymatmin (mat) ans- 5 3 5